Great for deep ocean fishing industry, commercial fishing Using this light sticks to enhance baits and increase overall catch. Attach glow sticks to your long lines-this is a great way to attract more fish to your baited hooks.For deep sea fishing,this glow sticks can be used for catching large game fish. Green and blue color are great to attract swordfish & tunaColor available:Green,yellow,blue,red,pink,aqua,orange,purple